Phenotype
What Phenotype means in Biology A-Level, as defined for AQA, OCR, Pearson Edexcel.
Definitions of Phenotype
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
Check what you remember
Read the wording for your board, then hide it and explain Phenotype in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The observable characteristic of an organism, which can vary due to genetic factors, environmental factors, or both acting together.
The expression of the genetic constitution and its interaction with the environment.
The observable characteristics of an organism, resulting from the interaction between its genotype and the environment.
The observable characteristics of an organism, resulting from its genotype and interaction with the environment.
The observable, physical characteristics of an organism, determined by its genotype and the environment.
The observable characteristics of an organism, determined by its genotype and the environment.
Topics that use Phenotype
- Inheritance (A-level only) (AQA A-Level)
- Patterns of inheritance (OCR A-Level)
- Biological Molecules (Pearson Edexcel A-Level)
- Modern Genetics (Pearson Edexcel A-Level)
- Topic 1: Lifestyle, Health and Risk (Pearson Edexcel A-Level)
- Topic 2: Genes and Health (Pearson Edexcel A-Level)
Related terms
Using Phenotype in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Biology questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge